Levelling agent and process of levelling for the disperse dyeing

Details Levelling agent and process of levelling for the disperse dyeing Levelling agent and process of levelling for the disperse dyeing

1977-08-30

1982-07-27

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Ether

8492, D06P 1651

Patent

active

043415261

ABSTRACT:
The present invention involves an improved levelling agent and a method of using it in the disperse dyeing of hydrophobic synthetic fiber materials such as polyesters and polyamides. The levelling agent enhances dye migration without substantially accelerating the exhaustion of dye onto the fabric being dyed. It is based on diaryl ethers such as ditolyl ether mixed with emulsifiers and optionally a diluent which is water or an organic solvent.
It also involves a process for improving the levelness of already dyed materials by subjecting them to temperatures above the boiling point of water in the presence of diaryl ether based levelling agents.

REFERENCES:
patent: 1968855 (1934-08-01), Rivat
patent: 4000970 (1977-01-01), Harvey
Schmidlen, The Preparation and Dyeing of Synthetic Textile Fibres, pp. 152-161, pub. 1963 by Chapman & Hall Ltd.

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